5646748777 has 16 divisors (see below), whose sum is σ = 5909409792. Its totient is φ = 5390395920.

The previous prime is 5646748741. The next prime is 5646748799. The reversal of 5646748777 is 7778476465.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5646748777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5646748727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1839598 + ... + 1842664.

It is an arithmetic number, because the mean of its divisors is an integer number (369338112).

Almost surely, 2^5646748777 is an apocalyptic number.

It is an amenable number.

5646748777 is a deficient number, since it is larger than the sum of its proper divisors (262661015).

5646748777 is a wasteful number, since it uses less digits than its factorization.

5646748777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068.

The product of its digits is 55319040, while the sum is 61.

The square root of 5646748777 is about 75144.8519660529. The cubic root of 5646748777 is about 1780.7357957277.

The spelling of 5646748777 in words is "five billion, six hundred forty-six million, seven hundred forty-eight thousand, seven hundred seventy-seven".